Mich. Comp. Laws § 600.8136: Seventy-first-a and seventy-first-b districts.

Sec. 8136.

(1) The seventy-first-a district consists of the county of Lapeer, is a district of the first class, and has 2 judges. Beginning 12 noon, January 1, 2013, the seventy-first-a district has 1 judge.

(2) The seventy-first-b district consists of the county of Tuscola, is a district of the first class, and has 1 judge.